#CFDEF4
Closest named color: Gainsboro (#DCDCDC). oklch(89.6% 0.034 257.9), rgb(207, 222, 244).
Aa
Black text reads best on this color (15.40:1).
About this color
#CFDEF4 is a light, muted blue. In OKLCH its lightness is 90%, its chroma 0.034 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Gainsboro (#DCDCDC), ΔE 0.034 away. Black text reads best on it, at 15.40:1.
| Hue family | Blues |
| Lightness | light (90%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.40:1 |
| White text | 1.36:1 |
Values
| HEX | #CFDEF4 |
| RGB | rgb(207, 222, 244) |
| HSL | hsl(216, 63%, 88%) |
| OKLCH | oklch(89.6% 0.034 257.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #CFDEF4 | 1.36:1 | Fails | Lc -20.3 | Dividers and decoration only |
| Black text on #CFDEF4 | 15.40:1 | AAA | Lc 85.9 | Fine for body text |
| #CFDEF4 text on white | 1.36:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #CFDEF4 text on black | 15.40:1 | AAA | Lc -85.8 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200 (this color)
#CFDEF4
oklch(89.6% 0.034 257.9)
-
Step 300
300
#AFC2DE
oklch(80.9% 0.045 258)
-
Step 400
400
#85A2CD
oklch(70.6% 0.071 258.1)
-
Step 500
500
#678BC0
oklch(63.2% 0.09 257.9)
-
Step 600
600
#4E74AC
oklch(55.6% 0.098 257.9)
-
Step 700
700
#3F6194
oklch(49.1% 0.091 258.3)
-
Step 800
800
#345078
oklch(42.8% 0.075 257.3)
-
Step 900
900
#2D4261
oklch(37.6% 0.06 258)
-
Step 950
950
#1B2739
oklch(27.1% 0.038 258.3)
#CFDEF4 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D7DFF5 | 0.011 |
| Deuteranopia (no green cones) | #D3DBF4 | 0.009 |
| Tritanopia (no blue cones) | #C6E3E5 | 0.031 |
| Achromatopsia (no color) | #DDDDDD | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CFDEF4
#CFDEF4
oklch(89.6% 0.034 257.9)
- #EADAC4
#EADAC4
oklch(89.5% 0.034 76)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #CFDEF4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.034
- Cadet Gray #CED4DA ΔE 0.038
- Lavender #E6E6FA ΔE 0.038
- Pale Silver #D8E2DC ΔE 0.039
- Platinum #E0E1DD ΔE 0.040
- Powder Blue #B0E0E6 ΔE 0.045
- Light Gray #D3D3D3 ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.050
Use #CFDEF4 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.